ISBN/Oprah/Book Club
uses the varying density of each bar code to create a thin gradation from light to dark. My bar code signature, in the bottom left corner, is made with the ISBN number from the book that inspired me to create a bar code halftone, "Real World Halftone and Scanning."

Date Created - December 29, 2000

Physical Dimensions - 54 x 54"
(137.16 x 137.16 cm)

Pixel Dimensions - 11200 x 11172

Pixels Per Inch - 207 ppi

Average File Size - 74.7 Megabytes

Color Mode - 8-Bit Grayscale

File Format - Photoshop Flattened

Individual Bar Code
Physical Dimensions
- 1.69 x 0.95"
(4.29 x 2.41 cm)

Individual Bar Code
Pixel Dimensions
- 350 x 196

Bar Codes Generated - 36

Number of Bar Codes Wide - 32

Number of Bar Codes High - 57

Total Bar Codes
in Final Image
- 1824

Hardware - Power Macintosh G3
300 MHz with 192 MB RAM

Software - Mac OS 8.1
Adobe Photoshop 5.02
Microsoft Excel 98
Netscape Navigator 4.06


ISBN/Oprah/Book Club

ISBN/Oprah/Book Club/Scaled

ISBN/Oprah/Book Club/Cancled